Perhaps you should try some spelling variations:
"coder coder string parallel programming" » "coder coder strength parallel programming" (Expand search), "coder coder strenght parallel programming" (Expand search), "coder coder strenth parallel programming" (Expand search), "coder cordel string parallel programming" (Expand search), "coder closed string parallel programming" (Expand search), "coder modelo string parallel programming" (Expand search), "coder decoder string parallel programming" (Expand search), "code code string parallel programming" (Expand search), "decoder codec string parallel programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder string parallel programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder string parallel programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder string parallel programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder string parallel programming") OR ("_ python python python programming"))*.